7hlkmis ((ADULARIA, BYSSOLITE)), $1 MINIMUM BID, Keystone Traprock Quarry, Cornog, Chester County, Pennsylvania, 3.5 x 3 x 1 cm, Miniature | |
Twinned Adularia crystals from this classic Alpine formation in Pennsylvania. When viewed with a loop it is full of needles of Byssolite. |